What is the check digit, d, for the credit card number shown below?
6424 9813 2720 008d
Š. 1<...
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Mathematics, 09.12.2020 21:50, Aaraar
What is the check digit, d, for the credit card number shown below?
6424 9813 2720 008d
Š. 1
B. 3
Ń. 5
D. 7
![answer](/tpl/images/cats/otvet.png)
Answers: 3
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